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authorRoland Dreier <roland@eddore.topspincom.com>2005-07-27 19:12:56 -0700
committerRoland Dreier <roland@eddore.topspincom.com>2005-07-27 19:12:56 -0700
commit2868bd281fef21d1e73d6b7648a41efc3d75f10c (patch)
tree0ad821cfcc9e3f9e8b662d026bec6bb6d4ce69ac /net/core/utils.c
parent6d376756f2cf3478d5a4fdb8d18e958948366b9d (diff)
parent41c018b7ecb60b1c2c4d5dee0cd37d32a94c45af (diff)
Merge /scratch/Ksrc/linux-git/
Diffstat (limited to 'net/core/utils.c')
-rw-r--r--net/core/utils.c37
1 files changed, 36 insertions, 1 deletions
diff --git a/net/core/utils.c b/net/core/utils.c
index e11a8654f36..88eb8b68e26 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -23,10 +23,10 @@
#include <linux/percpu.h>
#include <linux/init.h>
+#include <asm/byteorder.h>
#include <asm/system.h>
#include <asm/uaccess.h>
-
/*
This is a maximally equidistributed combined Tausworthe generator
based on code from GNU Scientific Library 1.5 (30 Jun 2004)
@@ -153,3 +153,38 @@ int net_ratelimit(void)
EXPORT_SYMBOL(net_random);
EXPORT_SYMBOL(net_ratelimit);
EXPORT_SYMBOL(net_srandom);
+
+/*
+ * Convert an ASCII string to binary IP.
+ * This is outside of net/ipv4/ because various code that uses IP addresses
+ * is otherwise not dependent on the TCP/IP stack.
+ */
+
+__u32 in_aton(const char *str)
+{
+ unsigned long l;
+ unsigned int val;
+ int i;
+
+ l = 0;
+ for (i = 0; i < 4; i++)
+ {
+ l <<= 8;
+ if (*str != '\0')
+ {
+ val = 0;
+ while (*str != '\0' && *str != '.')
+ {
+ val *= 10;
+ val += *str - '0';
+ str++;
+ }
+ l |= val;
+ if (*str != '\0')
+ str++;
+ }
+ }
+ return(htonl(l));
+}
+
+EXPORT_SYMBOL(in_aton);